ho scale billboards 3d models

If you get blobs on layer changes, disable "travel prime" in your slicer.Also, print a few flow calibration cubes and temp towers for your filaments to dial in your printer, I have everything you need, check my other designs.If you have a dial...

I have scaled down the carriages and effector so the nut traps are not sufficient size for nuts, although the holes are 2.8mm to allow self-tapping. Attach the arms to the effector in the same way. The effector should be reasonably stable, but...